Index

#1 – Required system permission which GangBook application requires

#2 – Select Account

#3 - Group Item

#4 – Item for Contact Information

#5 - Add Contact Information

#6 - Set up Ringtone to group

#7 – Set up SMS Notification Sound to group

#8 – Send SMS/MMS to many other people

#9 – Move Contact Information to other group

#11 – Delete Contact Information

#12 – Appear/Disappear (Show/hide) Google system group

#13 – Change Lists of Group Lists

#14 – Appear Only Contact Information that Include Phone Number

#15 - Initialization of Ringtone

#16 - Import or Export Setting status